Wellbeing Growth
This sequence attempts to find a "fully satisfactory population axiology" (Greaves, 17) that would prevent conclusions where large segments of a population enjoy lives barely worth living (Repugnant) or some persons are suffering (Sadistic), consider individuals' wellbeing notwithstanding that of others or their order in sequence, and address suffering and wellbeing with a priority commensurate to the experience. In addition, wellbeing potential should be continuously developed and fulfilled.
The central proposition of this piece is the addition of wellbeing depth, which should be proportional to the extent of sentience of an individual, in life year calculations.
Please let me know if you find better numbers or know of some further developed mathematical models.